.menu{
	background: #FFFFFF;
	height: 77px;
	float: left;
	position: fixed;
	margin: 0 auto; 
	
	
}
.menu ul {
    list-style: none;
    margin-left: 50px;
}
 
.menu li {
    display: inline;
    line-height: 40px;
    float:left
}
 
.menu a {
    color: black
    text-decoration: none;
    padding: 20px 20px;
}
 
.menu a:hover {
    background-color: #060;
}
.sum{
	
    ul{
        margin: 0 auto;
        display: table;
        li{
            width: 0.7rem;
            float: left;
            background-color: pink;
        }
        a{
            background-color: #ccc;
            img{
                margin: 0 auto;
                display: block;
            }
        }
    }
    
}